Muhammad, Ibnu and Astrid, Offermans and Pieter, Glasbergen and Hanung, Ismono (2016) Competing Explanations for Indonesian Smallholder Participations in Sustainability Coffee Certifications. Journal of Economics and Sustainable Development, 7 (24). ISSN ISSN 2222-1700 (Paper) ISSN 2222-2855 (Online)

Muhammad, Ibnu and Pieter, Glasbergen and Astrid, Offermans and Bustanul, Arifin (2015) Farmer Preferences for Coffee Certification: A Conjoint Analysis of the Indonesian Smallholders. Journal of Agricultural Science, 7 (6). ISSN 1916-9752 E-ISSN 1916-9760